diff --git a/index.js b/index.js
index 69c2017..6f925bf 100755
--- a/index.js
+++ b/index.js
@@ -4612,7 +4612,7 @@ JeedomPlatform.prototype.getAccessoryValue = function(characteristic, service, i
 				for (const cmd of cmdList) {
 					if (cmd.generic_type == 'FLAP_STATE' && cmd.id == service.cmd_id) {
 						returnValue = parseInt(cmd.currentValue);
-						returnValue = Math.ceil(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
+						returnValue = Math.floor(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
 
 						if(service.maxValue == 100) {
 							returnValue = returnValue > (service.maxValue-5) ? service.maxValue : returnValue; // >95% is 100% in home (flaps need yearly tunning)
@@ -4625,7 +4625,7 @@ JeedomPlatform.prototype.getAccessoryValue = function(characteristic, service, i
 					}
 					if (cmd.generic_type == 'FLAP_STATE_CLOSING' && cmd.id == service.cmd_id) {
 						returnValue = parseInt(cmd.currentValue);
-						returnValue = Math.ceil(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
+						returnValue = Math.floor(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
 						
 						if(service.maxValue == 100) {
 							returnValue = returnValue > (service.maxValue-5) ? service.maxValue : returnValue; // >95% is 100% in home (flaps need yearly tunning)
@@ -4639,7 +4639,7 @@ JeedomPlatform.prototype.getAccessoryValue = function(characteristic, service, i
 					}
 					if (cmd.generic_type == 'WINDOW_STATE' && cmd.id == service.cmd_id) {
 						returnValue = parseInt(cmd.currentValue);
-						returnValue = Math.ceil(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
+						returnValue = Math.floor(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
 
 						if(Math.abs(returnValue - service.TargetValue) <= 1) {service.Moving=Characteristic.PositionState.STOPPED;}
 						else if (service.TargetValue !== undefined && service.Moving===Characteristic.PositionState.STOPPED) {service.TargetValue=undefined;}
@@ -4651,7 +4651,7 @@ JeedomPlatform.prototype.getAccessoryValue = function(characteristic, service, i
 			case Characteristic.TargetPosition.UUID :
 				if(service.TargetValue === undefined) {
 					returnValue = parseInt(service.infos.state.currentValue);
-					returnValue = Math.ceil(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
+					returnValue = Math.floor(((returnValue-service.minValue) / (service.maxValue-service.minValue))*100);
 
 					if(service.maxValue == 100) {
 						returnValue = returnValue > (service.maxValue-5) ? service.maxValue : returnValue; // >95% is 100% in home (flaps need yearly tunning)